Easy..
let's take a view fractions and decimals and make a little example ourselves...
Let's use:

, 0.75,

, and 1
Keep it simple...
So, now let's plot those on a number line...it's fairly easy...
Just change those fractions into decimals to make them easier to manage...

and

Leaving you with: 0.25,0.75,0.50, and 1.
Now, plot..
0 | | | | | | | | | | | | | 1
(0.25) (0.50) (0.75) (1)
Easy. :D